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Tatiana [17]
3 years ago
6

Determine the unknown integer in each number sentence 4 - ___ = 31

Mathematics
1 answer:
polet [3.4K]3 years ago
4 0
4-x=31
-4=-4 
x=27
27 is the answer
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13 1/10-7 9/10<br><br> i need help
a_sh-v [17]

Answer:

52/ 10 = 5 2/10 or 5 1/5

Step-by-step explanation:

first turn the mixed fractions into improper fraction

13 1/10= 131/10

7 9/10= 79/10

since the two fractions already have a common denominator just subtract

131 - 79 = 52

52/ 10 = 5 2/10 or 5 1/5

4 0
3 years ago
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Please help #12 10 points
eimsori [14]
1. add 40 to the 40 and 25
2. now you have
\frac{5x {}^{2} }{5}   = \frac{65}{5}
3. then you have
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3 years ago
Which equation is equivalent to the given equation?<br> -4(X - 5) + 8x = 9x - 3
Rama09 [41]

Answer:

-5x=-23

Or

X=23/5

Step-by-step explanation:

7 0
1 year ago
Let f(x) = 4x + 3 and g(x) = -2x + 5. Find fog 5
Oxana [17]

Answer:

-17

Step-by-step explanation:

first find g(5) = -2(5)+5 = -5

then f(-5) = 4(-5)+3 = -17

6 0
2 years ago
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Determine sun or difference <br> -3 1/3 + 2 2/5
Artist 52 [7]

Answer:

-14/15

Step-by-step explanation:

First, you want to turn each mixed number into an improper fraction. So you get -10/3 + 12/5. Then you want to get the same denominator, and the LCD happens to be 15. You get -50/15 + 36/15. Addition is commutative, so you can do something like this: 36/15 - 50/15. You can do 36-50=-14, and then add the denominator to get -14/15.

8 0
3 years ago
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